There is a specious superstition that - according to some (mis-)reading of the Mayan calendar - the world is supposed to end on Friday, December 21, 2012.
With that in mind, we at Screen Rant came up with a list of 10 ways to actually save the world, using lessons we've learned from movies. In each of these movies, the world - or life as we know it - was close to destruction, but people (or circumstances) found ways to prevent it.
WARNING: SPOILERS AHEAD FOR THE MOVIES IN OUR LIST!!!